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41. Magnitudes and Colors
Astronomers usually measure the flux of an object by collecting light with a telescope, sending it through a known filter, and then determining the power. ... But astronomers usually give their photometric results in terms of magnitudes. ... Astronomers define an absolute magnitude that is independent of the distance of a star and only depends on the intrinsic properties of the object: the absolute magnitude is the magnitude the star would have if it were 10 parsecs away from the Earth. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/cosmo/magcolor.htm -- 4.1 Кб -- 18.11.1997
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42. People
... English astronomer and mathematician. ... American astronomer. ... Bond, William Cranch 1789-1859 . ... At the observatory, he studied Saturn and (with William Lassell ) discovered its moon Hyperion . ... Polish astronomer who advanced the heliocentric theory that the earth and other planets revolve around the Sun. ... Galileo Galilei 1564-1642 . ... Van Allen discovered the Earth's radiation belts, which now bear his name, with an instrument aboard the first successful American satellite, Explorer...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/people.htm -- 14.3 Кб -- 15.10.1997
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43. Keplere
Johann Kepler - a Legislator of the Sky. The laws of the planets movements put by Johann Kepler destroyed the thousand year old dogmas about the circles and spheres and opened the way to scientific understanding of celestial occurrences. ... The best object for observation was Mars - its orbit unlike the Earth's one has a noticeable eccentricity, the rotation period in comparison with Jupiter and Saturn is not too long and observation conditions are better than for Mercury and Venus. ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/keplere.htm -- 7.0 Кб -- 14.10.2000
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44. Accuracy of World positional CCD observations of the numbered minor planets
... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...
[ Сохраненная копия ]  Ссылки http://www.accuracy.puldb.ru/LETTER.HTM -- 4.1 Кб -- 05.12.2007
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45. Astrosib - Home
. home . product . gallery . contact .
[ Сохраненная копия ]  Ссылки http://www.astrosib.ru/ -- 4.9 Кб -- 15.05.2015
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46. Supernova 1987A in LMC
Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snimages/sn1987a.html -- 7.3 Кб -- 22.12.2007
[ Сохраненная копия ]  Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1987a.html -- 7.5 Кб -- 10.04.2016
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47. About ST-ECF
... The ST-ECF consisted, until its closure in December 2010, of a small group of astronomers, software scientists and media specialists who support Hubble science in Europe and collaborate internationally on HST science, instrument, archive and outreach activities. provided detailed technical information about the HST and its science instruments, . supported European astronomers in the preparation of HST observing proposals . ... acted as a European centre for associated meetings and workshops, . ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/about/ -- 6.8 Кб -- 09.04.2016
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48. Meetings and Workgroups
.
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/~dmbiz/Lmeeting.html -- 2.3 Кб -- 02.03.2001
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49. APO Job Announcements
... New Mexico State University is seeking a technical and computer-oriented person as a Support Astronomer for nighttime astronomical observing at Apache Point Observatory (APO) with the Astrophysical Research Consortium (ARC) 3.5m Telescope. б  . ... Paper/email documents will not be accepted. ... TELESCOPE OPERATIONS SPECIALIST . ... Responsibilities include nightly operation of the 3.5m telescope and instruments, Quality monitoring the data streams and system performance and observing efficiency. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Site/jobs/positions.html -- 6.6 Кб -- 26.01.2016
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50. 2dF QSO Redshift Survey (2QZ)
The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...
[ Сохраненная копия ]  Ссылки http://www.2dfquasar.org/ -- 7.8 Кб -- 17.06.2008
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51. AAL Homepage Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis
... ARTICLE: Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ... John L. Dobson, der Erfinder des weltbekannten Dobsonteleskops und BegrЭnder der „Sidewalk Astronomers“ zu Beginn der 60er Jahre in San Francisco Эberraschte sein Publikum am vergangenen 14.September 2006 bei einem Vortrag in Saarlouis mit seinem direkten und unverblЭmten Stil. ... Hierzu braucht man Oeffnung, was Anfang der 60er Jahre im Amateurbereich fehlte. ... Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ...
[ Сохраненная копия ]  Ссылки http://www.aal.lu/SPECIAL_TOPIC/11/ -- 30.7 Кб -- 09.04.2016
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52. Methods and instruments to measure/monitor major site properties
... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...
[ Сохраненная копия ]  Ссылки http://site2010.sai.msu.ru/section/2 -- 9.2 Кб -- 09.04.2016
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53. SAI CAS: About the SAI CAS project
SAI VO . ... SAI CAS . ... Access . ... We present the results of the development of Sternberg Astronomical Institute Catalog Access Services (SAI CAS) project - the first and the only project in Russia, which provides online access to the major astronomical catalogues and different services on top of them. ... SAI CAS is an open-source implementation of the general Catalogue access service (influenced by SDSS CAS CASjobs project), based on original algorithms and open-source software. ... SAI MSU | ...
[ Сохраненная копия ]  Ссылки http://vo.astronet.ru/cas/about.php -- 8.6 Кб -- 01.10.2012
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54. Photogallery of Astronomy and Space Physics Department
. Last updated: January, 2005.
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/photos/photo13.html -- 5.1 Кб -- 23.02.2005
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55. http://www.astro.louisville.edu/shared_skies/archive/select/messier/m1/20081102/movie.txt
http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/shared_skies/archive/select/messier/m1/20081102/movie.txt -- 6.3 Кб -- 31.10.2008
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56. This year's largest group of sunspots passes across the solar disk
... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...
[ Сохраненная копия ]  Ссылки http://www.tesis.lebedev.ru/en/info/tesis_20090604_en.php -- 9.6 Кб -- 01.10.2012
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57. (S-7a) The Black Hole at the Center of our Galaxy
... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 21.12.2007
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 22.12.2007
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58. The M111 - "OnLine"
... Yes, Exploding Comet 17P/Holmes is one of the strangest things ever seen by astronomers - professional and amateurs alike. ... We also had some club members who received some Astronomical League awards...and we'd like to congratulate them! ... It is again a potluck, and is being held at the Masonic Temple in Galion ( 1252 State Route 598, Galion , OH 44833) Here's a map: Map of 1252 State Route 598 Galion, OH 44833-9367, US And, along with the party come RAS elections for 2008! ... Comet 17P/Holmes ...
[ Сохраненная копия ]  Ссылки http://www.wro.org/OldM111s/m111-LateFall07.htm -- 25.5 Кб -- 05.12.2007
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59. Marat Abubekerov - My university years
. On the roof of Sternberg Astronomical Institute, 1999 . Astronomical field trip, the Crimea 1998 . Astronomical field trip, the Crimea 1998 . Meteorites Museum, spring 2000 . Meteorites Museum, spring 2000 . Meteorites Museum, spring 2000 . The consecration into astronomers, autumnal equinox, Sternberg Astronomical Institute, 1995 . Astronomical field trip, the Crimea 1998 . Sternberg Astronomical Institute, 1997 . MSU, twilight, summer 2004 . MSU, night, summer 2004 . Student picnic, 1997 .
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/~marat/university.html -- 5.0 Кб -- 27.10.2005
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60. Telescopes
RECREATIONAL TELESCOPES . SPOTTING SCOPES . ... TELESCOPE ACCESSORIES . ... HOME . ... ABOUT LOMO . PRODUCTS . ... TELESCOPES . ... Home Products Telescopes . ... Over the past 2 years LOMO in association with American engineers has developed a new line of recreational telescopes, and spotting scopes, ranging from 30 mm to 254 mm in diameter. ... Recreational Telescopes : . Spotting Scopes . ... Telescope Accessories . ... LOMO America, Inc. ... 847) 215-8800, Fax: (847) 215-9073 . ...
[ Сохраненная копия ]  Ссылки http://www.lomoplc.com/telescopesFrames.html -- 8.9 Кб -- 09.04.2016
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